Finding the Fourth Proportional to 16,231.88, 22,400.00 and 8,779.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,231.88 : 22,400.00 = 8,779.88 : x
2. Step 2: Convert to fraction form
   16,231.88/22,400.00 = 8,779.88/x
3. Step 3: Cross multiply
   16,231.88x = 22,400.00 × 8,779.88
4. Step 4: Simplify right side
   16,231.88x = 196,669,156.10
5. Step 5: Solve for x
   x = 196,669,156.10/16,231.88
6. Step 6: Final answer
   x = 12,116.23